core/homeassistant/components/rdw/translations/bg.json

{
    "config": {
        "error": {
            "cannot_connect": "\u041d\u0435\u0443\u0441\u043f\u0435\u0448\u043d\u043e \u0441\u0432\u044a\u0440\u0437\u0432\u0430\u043d\u0435"
        }
    }
}